EM_TABLE=$1
argtype=$2
list=`$argtype w $EM_TABLE`
echo "switch(p->em_opcode) {"
for i in $list
do
	cat << EOF
	case op_$i:
		C_${i}_narg();
		break;
EOF
done
cat << EOF
	default: C_error = "Illegal mnemonic";
}
EOF